Gear-shift-lever lock



`C. J. GUSTAFSON.

@LAR sHLFL LEVER Loox.

Patented Feb. 24,1920.

APPLLcATLoN FLLED 050.19, 1914.

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GEAR SHIFT LEVER LOCK.

APPLICATION FILED DE.c.19. 19u11;

Patented Feb. 24, 1920 3 SHEETSSHEET 2.

lo. I. GIISIAFSON.

VGEAR SHIFT LEVER LOCK. APPLICATION FILED 050.19. I9I4.

1,331,759. Patented Feb. 24,1920.

3 SHEEIS-SHEET 3.

' 2 has rigidlv mounted thereon `the clutch 3,.`

operating the worm194 to the right. it will RV be seen Athat the engagement of th@ M1125,

- Gear-Shift-Lever gear shift showing the` gear UNTTED STATES PATENT oEEicE.

'CARL' JOHAN eUsTAEsoimoE sra-INGETEL D, MASSACHUSETTS, .essreivon To HENDEE MANUFACTURING COMPANYQOF SFRINGFIELD, MASSACHUSETTS.,Y A CORPORATION or MASSACHUSETTS.

To all whom it may concern.' l

Be it known that I, CARL VJOHAN GUSTAF- SON, a subject of the den, State .of Massachusetts, certain new and Y useful Improvements in Locks, of which the following is a description, reference being had to the accompanyingV drawing Vand to the figures of reference marked thereon.

My yinvention relates to new and useful improvements in gear shift lever locks.

An object of the inventionis to provide a lock `which prevents the gears from being shifted. from one speed to another while the clutch is which they are lutely prevents the stripping of the gears.

Another object otmyinventionjis to pro-V vv,.bv the gear 5V vide a device of this character, in which Vprovision is made whereby the gear shift is positively locked at either'high, low .or 1ntermediate and also at neutral, and thus ,tov provide a lock of this character having 4certain details of structure and arrangement of parts hereinafter more fully Aset forth. In the accompanying drawings .f Figure 1 is a vertical sectional view sliding gear transmission and ing the `fear shift lever to whichmy invention isrto be applied; Fig. 2 is an endview of the gearcasing, showing my improved gear shift lock and shift lever released; Fig. 3 is an end view similarto that shown in Fig. 2, Showing thefgear shift lever locked;

Fig. 4 is a side view ot" the gear casing and showing-thev gear shift-,lever locked by mv improved device: and

ofa

Fig. 5 isa nerspective'view of the clutch,

` i 'tion 22,01 the sprocket, 4; The frictiontdisks *21. are normallv held lin engagement with arm, lock and gear shift Referring now to the drawings'l renve-l sentsr the gearv casing of'iny improved sliding-transmissionand basi rotatablv mounted shaft 2 bv4 meansl ofY the. worm 24.

therein the shaft 2` which `extends bevond the end of the` casing. .The end of the .shaft which is adapted to rotatefwiththe shaft and-power is transmitted rornthe clutchA GEAESHTETLEVER LOCK. v

` speciaupn of Letters rate-at.

' to` thev gearsin the casing.

King of Sweden, residing atl Springfield, in the county of Hamp'e have invented.l

`with 'its' hub 6 extending `outwardly Y the casing andrigidly secured thereon is lwhich passes, rearwardlyv over 'carried' by lvond the gear 5,

engaged and-thusV is adapted to at greatly relieves the gearof the strain'to' usually subjected and absovpositeA face of the gear 8 .beveled lugs 11. adapted to engage the movement on thek clutch, show-- vmeans of the strong coil wheel 4 isl driven by a chain-from the engine and bythe rictionclutch drives the. shaft 2. Loosely mounted on the shaft 2andad- 'acent the end of the casing is av ear,4

eyond the sprocket .7, over which passes the chain the sprocket the rear hub of the vehicle and by means of which it is driven. Thegear 5 is atiall times thedriving gear for the Sprocket/7, as lwill be later ,described- .V

Slidably mounted upon the shaft 2, be` is a secondgear 8, which all. times rotate with the shaft 2, yet itis free` to move longitudinally thereon. l. One vided with beveled lugs 9. which areadapted to interlock with the beveled lugs 1Q carried and bv which therotarvfmotionvofl the shaft -2 is directly impartedto the Vnear 5, and is is provided with beveled lugs 12 of thegear 13 and by which the gears 8 "and v13v are locked together. This gear 13 rotatably mcunted'upon the shaft 2and is said shaft. Mounted within the lower end of the casingr 1 is a shaft 14.v havine" a. gear 15 keved at one fend, which at all Vtimes mesheswith the ,frear 13.v Theonnosite endfof the shaft 14 is providedwith a gear16pwhich at all times meshes with` the? gear 5 and is keved upon theshaft 14.1 Located midway between the gears 15 andv 16 and keved on the shaft'14 'is a gear 17 whichv is adapted to meshwithV the .Gear 8 andv represents-the intermediate sneed. Vl'ngitudinallv :passing through .the shaft2 is a piu 18. whichv is-adapted topjen- `more the member 19 for forcing `the membery 20 mitwardlv and thus allows lthe friction disks21 to disengage the annular nor;

22 of the sprocket 4- bv springs 23. The nin-18 is longitudinallv moved through the This worm has a plugwhieh engages a'ball. v26.v which bears against the nin-,18. and -bv theV annular portion Patented Eeb.24,192o. l f Application led December 19,1914. Serial Noi 878,117. i i i .The sprocket i 'loA face of the said gear isprothe highspeed. The opheld` against longitudinal g -ioo fio

v"5," which carries the sprocket 7 is the vintermediate speed.

with the 18 forces the same into engagement with the member 19 and forces the member outwardly andthus relieves'the pressure of the friction disks on the sprocket 4 and allows the same to rotatenindepend'-.

ently of the clutchl 3. 1 .The shaft 2 beingjcontinuously rotated, willbe'seen thatwhen the gear 8 is moved into central position, it `will "en/gage 4the gear 18 and drive the same, the medium of thegear 16, drives the gear vthe sprocket 7, whereby driven.-v This *represents VWhen the gear 8 is moved -so that the lugs 11 engage they flugs 12 of the gear 13, the said gear '13 drives the gea-r 15, and, through lthe medium o f lthe shaft 14` and the gear 16 carried thereby, the gear 5 isdr'iven which carries thev sprocket 7 and thereby drives 'the' sprocket. This is V`the low speed. l

The worm124 'carriesy a lever 27,v by; means of which the vclutch is thrown into or out which extends 4a "of engagement for releasing the meshing 'withthe lgear 17 for f di'ate speed; or into the position where it "by ther gear casing sprocket 4.

Extending into the casing 1 is an'oscillating shaft'28 carrying an arm 29 havingv an elongated slot 3 0 at its lower end through pin 3 1 carriedby 'theextension on the gear 8. By the oscillationof this shaft v28, it will be seen that the gearv 8 is either llocked directly to the the 4high speed; or brought into a position the intermeis locked with the gear 1 3 for low speed. j

The gear shaft v28 is V'provided with an arm l48, to which isattached the gear shift rod 49. Pivoted to the bolt 50 and carried which are adapted to receive the :stud '55 Vcarried by Vthe gear shift larm 48 and by which the gear tension of shift` arm is locked 'a,f ;ainst movement. The'arm 51 is provided with an outwardly extending portion 56, which is turned laterally, as vindicated at V57, and forms a cam face which extends mately parallel with the end of casingv 1." Carried vby a stud v58 around which is arranged a coil spring" 59, which "has against the inner `face the gear The clu'tc' `arm 60 has an Voperatingrod 61 secured thereto 'at 62 and is adapted to 'engage the cam face l57 of the extension'56- andforce 'the same inwardly against'the J53 and 54 'are 4away l' `the rod 149. When the gear clutchxrod 61 :has been brought `into the position shown i qu* in Fig. Ziet-the c rawrings and the' gear Y of the notches and, through! Aing lever arm 48 is free `mOved in the opposite larrow shown in Fig. which .releases the shaft 5 ,for

gear shift lever l, is an arm 51, having Y at its upper end the notches 52, 53 kand 54 approxi# this gear casingl 1 is its outer end bearing of the cam extension f l'57,'asfful'l Ashown in Fig. 4 of the drawings..

the spring 59 andthrow-v the arm- [51 into such a positionthat the notches 52,

fromV the stu'd`55 and i thus the arm 48 'of the gear shift shaft'28 is l 'free to beV moved through -the'medium of the three speeds proper speed, the clutch rod 61 is moved backwardly vin .the Uposition shown in Fig. 3l andthe ispringf) .forces themextension 56 tothe left, as Shown in Fig.- 4, rand causes the stud to enter one 52, 53 and 54 and the gear shift .shaft 28 is locked against movement.

Fromthe foregoing description, it Vwillbe seen that when "the clutchis engaged, the rod 61 is in the position shown in Fig. 3 of the drawings andfwhen "the rod is shifted to the -movedinthe direction of the arrow, Fig. 3,

the'connection between fthe clutch arm` 60 and the rod -61 engages the laterally turned portion 57 of the outwardly extending'por-v tion56 andforces it inwardly and causes the notches 'carried by away from the stud 55V and thus lthe shiftto be moved. -When the proper speed is reached the rod161 is direction from .the

laterally turned portion 57 and allows the 'spring 59 to f0rcethe lmember 51 tothe left, Fig. 4, andcauses one of the notches .52, 53 and 54 to surround .the stud 55 yand Vthus `the gear shift'shaft is locked against Vmovementwhile the clutch is the gear shift lever the clutch is Ythrown mission, of 'a' shift mission', Vspring pressed :means for locking said shift'k lever and independent `of the clutch lever, -a clutch easing said spring Lthe arm 51 to move Y the ycharacter described, the combination with a three-speed''trans-V lever for the -sald transvin-anyfof the lthree speeds or VYat `a point intermediate the jt' kree speeds,

operating device, and means "operated by the clutch operating devicefor releasing the locking means when the clutch V'is thrown outof operation.

3.-'-In a device of the character described, the combination with athree'speed sliding transmission, of a gear shift mechanism for said transmission, spring 'pressed means for locking the gear shift mechanism in any of. and also at `a poi'n't'i'nter-` mediate 'thespeeds and independent of the clutchlever,

va Vclutch VVoperating'vdevice.- and mea-ns I'operated "by .the `movement of 'the clutch; operating device for releasing the locking 'means `when the clutch is thrown out of operation.-

14. In .a device of character described,y

lever pivoted at right the combination with a transmission, of a gear shift lever therefor having a projecting stud thereon, a clutch lever, a springpressed lock for said gear shift lever independent of theclutch lever and provided with a series of locking notches adapted to be engaged by said stud, means operated by the clutch lever for releasing said springpressed lock from said stud whereby the gear shift lever can be operated after the clutch is thrown out of operation.

In a device of the character described, the combination with a sliding transmission, of a gear shift lever for said transmission, a stnd carriedfby the gear shift lever, a

- pivoted member adjacent the gear shift lever notches adapted to receive the stud carried by the gear shift lever, an ontwardly extending arm carried by the pivoted member, a spring engaging said arm and normally holding the said member in a position with one of the notches surrounding the stud carried by. the Igearshift lever, a clutch operating rod and meansycarried by the clutch operating rod for engaging the arm for forcing the pivoted member inwardly to bring thevnotches out of engagement with the stud whereby the gear shift lever can be operated when the clutch is thrown ont of operation.

and h aving 6. In a device of the character described, the combination with artransmission, of aL pivoted gear shift lever, a clutch, a clutch angles to the pivoted gear shift lever, a lock pivoted parallel with the pivot of the gear shift lever and engaging the same, and means operated bythe clutch lever for operating the lock when the clutch isv thrown ont of engagement.

7. In a device of the character described, the combination with a transmission, of a pivoted gear shift lever, a clutch, a clutch operating rod, a pivoted member adjacent the gear shift leverand adapted to lock the same, an outwardly extending arm carried by the pivoted member and normally held in the path of travel ofthe clutch rod pivoted gear shift lever,

and whereby the clutch rod engages the arm and moves the pivoted member out of en gagement with the gear when the clutch is thrown out of operation,

8. In a device of the character described, the combination with ra transmission, of a pivoted gear shift lever, a clutch, a clutch operating lever, a pivoted spring-held member adjacent the gear shiftlever and having j Y its pivot parallel with the pivot of thev gear shift lever and adjacent thereto, and means carried by the pivoted member for locking c the gear shift lever and adapted to be its pivotl parallel with the pivot of the gear j shift lever and adjacent thereto, and means carried by the pivoted the gear shift lever and adapted to be moved out of engagement with the gear shift lever by the engagement of the clutch l `operating lever when the clutch is thrown ont.

10. In a device of the character described, the combination with a transmission, of av operating lever, a spring heldmember adjacent the gear shift lever and adjusted to move in the same plane as the gear shift lever, and means carried by the spring held member for locking the gear shift lever, and 85 adapted to be moved out of engagement with the gear shift lever by the clutch operating lever when the clutch is thrown out.

In testimony whereof I afliX my signature in the presence of two witnesses. f CARL J OHAN GUSTAFSON.

Witnesses: l v

i JOHN D. STEPHENS,

l?. J. KELLY.

transmission, of a 65 member for locking l a clutch, a clutch i 

